Llano County, Texas

Llano County
Location within the U.S. state of Texas
Texas's location within the U.S.
Coordinates: 30°43′N 98°41′W / 30.71°N 98.68°W / 30.71; -98.68
Country United States
State Texas
Founded1856
Named afterLlano River
SeatLlano
Largest cityHorseshoe Bay
Area
  Total
966 sq mi (2,500 km2)
  Land934 sq mi (2,420 km2)
  Water32 sq mi (80 km2)  3.3%
Population
 (2020)
  Total
21,243
  Density22/sq mi (8.5/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district11th
Websitewww.co.llano.tx.us

Llano County (/ˈlæn/) is a county located on the Edwards Plateau in the U.S. state of Texas. As of the 2020 census, its population was 21,243. Its county seat is Llano, and the county is named for the Llano River.